Question

conservationists weigh tow northern elephant seals. an adult seal weights 6,600 pounds and it's pup weights 3,847 pounds what is their combined weighs explain how to use mental math to solve

Answer 1

in this problem

To find out the combined weighs adds 6,600 and 3,847

using mental math

round 6,600 to 7,000 and 3,847 to 4,000

so

the sum is equal to 11,000 pounds